122221012120201 has 2 divisors, whose sum is σ = 122221012120202. Its totient is φ = 122221012120200.

The previous prime is 122221012120177. The next prime is 122221012120211. The reversal of 122221012120201 is 102021210122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66062774665801 + 56158237454400 = 8127901^2 + 7493880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122221012120201 is a prime.

It is not a weakly prime, because it can be changed into another prime (122221012120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61110506060100 + 61110506060101.

It is an arithmetic number, because the mean of its divisors is an integer number (61110506060101).

Almost surely, 2^{122221012120201} is an apocalyptic number.

It is an amenable number.

122221012120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

122221012120201 is an equidigital number, since it uses as much as digits as its factorization.

122221012120201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122221012120201 its reverse (102021210122221), we get a palindrome (224242222242422).

The spelling of 122221012120201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twelve million, one hundred twenty thousand, two hundred one".